A Whimsical Under the Sea Birthday Party Idea

Hair swirling in the ebbing currents, graceful weightlessness, aqua-tinted vision, and of course Ariel of The Little Mermaid are what make little girls daydream about being mermaids. We think a birthday celebration is a perfect time to make her fanciful dreams come true. Read on to learn how to dazzle your mermaid loving kiddo and her friends with whimsical decor, delicious “seafood” and unforgettable activities.

Invitations

These message in a bottle invitations are a clever and fun way to let your guests know it’s going to be a fun one. The detailed do it yourself directions at Crafting A Green World lets you add your own personal touch and includes everything you need to know, from cleaning used bottles, to paper staining, and even a colorful wax seal.

If you’re not the craftiest crayon in the box, you can buy a message in a bottle kit at Invitation in a Bottle. For three bucks a pop, they will personalize your invitations, and send you a complete kit including, bottles, sand, shells, and ribbons all in the color and style of your choosing.

Your guests will be giggling with excitement when they see these funny and adorable cards. Send off your little one’s pic to Happy Cat Printables and they will turn her into a virtual mermaid! The invitation is then sent as a jpg or pdf file so you can print out as many as you’d like.

Decorations

Capture the ethereal essence of an underwater kingdom with these delightful decorations. Craftier parents can create some effects themselves, while those more craft-challenged may find some of the store bought items more appealing.

Adorn your party room with these whimsical jellyfish—beautifully displayed here at I Scrap, U Scrap—will make you and your guests will feel as though you are swimming in an underwater wonderland. Color an upside down paper bowl and glue matching ribbons to their bellies; then add googly eyes make them come alive.

AngliesDesignz, available on Etsy, offers the whole Mermaid kit-and-caboodle with their Mermaid Girly Under the Sea Kit. They’ve got the bases covered from cake-toppers to birthday banners, and will deck out your party with these adorable ornaments.

Every little mermaid should be adorned with shells and pearls and no one understands this more than Dominica of Proudest Monkey Photography. She displays a truly whimsical way of capturing a gorgeous party setting with her table top decorations and handmade chair flair shown here via Chickabug.

Food

A mermaid-themed party is a perfect opportunity to get fun and creative with your kiddo’s finger food. Here are some delicious ways to dine on the abundance of the ocean without wrinkling your guests’ noses.

Get that cool-breeze-in-your-face feeling with this refreshing beverage shown here by High Heeled Hostess.

It’s no stretch of the imagination to think maybe your little mermaid isn’t too keen on eating raw fish. Fret not! You can fake it ’til you make it with this easy, sushi knock-off brought to you by MommyGoggles.

Your guests will be lickin’ their lip when they see this revamped lunchtime classic—starfish pizza and seashell salad. Easy directions courtesy of BubblyNatureCreations.

Sarah at CottonKiwi delivers all things under the sea with these great mermaid munchies. From Octopus weenies to Oyster and Pearl Madeleine cookies, she’s got you covered.

Activities

Everyone knows a mermaid’s only job is to play! Here are some fun aways to celebrate the plight of the mermaid.

Every mermaid princess needs a royal, jewel-encrusted, glittering crown sitting atop her wind-swept hair. Genevieve Gail provides you with a printable template for your little mermaids to decorate to their hearts desire.

Guests will be having a ball when they step inside a mermaid stand-in cut-out. Let them visualize themselves as real mermaids with this cute photo op, shown here by the Party Animal. If your artsy, make one on your own, if not, there are many gorgeous options for purchase.

Get crafty with these underwater-themed sticker snow globes. Directions at the Outlaw Mom are easy and the end result is your mermaid’s own little piece of the ocean.

The Cake

If you’re looking to purchase an over-the-top cake for your little mermaid, here are some gorgeous examples of the endless possibilities.

Carina of The Jet Set is a jack-of-all-trades and one of her many talents is baking. Here she showcases a completely edible, completely gorgeous seaside confection.

Aussie mom Steph Bondville had to share this amazing cake her friend had made for her daughter’s 6th birthday. There’s a surprise inside– the cake is layered aqua ombre.

This buttermilk work of art is just a little slice of what Sweet and Saucy can create. Edible sand? No problem!

Not a professional baker? No problem! Cake-toppers add that special touch to your homemade cake that will take your confection to the next level.

Modern Lux Events will have any assortment of cake topper, from cuddly cute, to downright breathtaking.

Artisan Cake Company offers truly artistic cake toppers, you won’t want to eat them. The best part? They are prepared to ship all over the globe, no matter which ocean your little mermaid swims in.